Re: [opensuse] What's the point with 64 bit

2007-05-23 Thread Randall R Schulz
On Wednesday 23 May 2007 04:11, James Knott wrote: > Tom Miller wrote: > > The reason that 32bit is faster is it only has to pass around 32 > > bit pointers vs 64 bit pointers. > > On the other hand, the faster memory handling above 2 GB with 64bit > > OS makes up the difference . > > Given that da

Re: [opensuse] What's the point with 64 bit

2007-05-23 Thread James Knott
Tom Miller wrote: > > The reason that 32bit is faster is it only has to pass around 32 bit > pointers vs 64 bit pointers. > On the other hand, the faster memory handling above 2 GB with 64bit OS > makes up the difference . > Given that data is transferred in parallel, that is all bits at the same

Re: [opensuse] What's the point with 64 bit

2007-05-23 Thread Billie Erin Walsh
Tom Miller wrote: > Pueblo Native wrote: >> it seems that almost everybody I've talked to has advised me not to go >> with the 64 bit version of OpenSuse because there really is no speed >> advantage (if that's not good advice I'd like to hear otherwise). So >> then, if there is no speed advantage

Re: [opensuse] What's the point with 64 bit

2007-05-22 Thread Randall R Schulz
On Tuesday 22 May 2007 21:01, Tom Miller wrote: > ... > > Now memory isn't the only factor, but is good enough for this > discussion. In large part, memory _is_ the only factor. Or, at least, a very large one. Memory bandwidth, that is. Processors speed increases have continued to outstrip that

Re: [opensuse] What's the point with 64 bit

2007-05-22 Thread Tom Miller
Pueblo Native wrote: it seems that almost everybody I've talked to has advised me not to go with the 64 bit version of OpenSuse because there really is no speed advantage (if that's not good advice I'd like to hear otherwise). So then, if there is no speed advantage, what's the point in even hav

Re: [opensuse] What's the point with 64 bit

2007-05-20 Thread Hans Witvliet
On Mon, 2007-05-14 at 21:23 -0600, Pueblo Native wrote: > it seems that almost everybody I've talked to has advised me not to go > with the 64 bit version of OpenSuse because there really is no speed > advantage (if that's not good advice I'd like to hear otherwise). So > then, if there is no spee

Re: [opensuse] What's the point with 64 bit

2007-05-15 Thread Jerry Feldman
On Mon, 14 May 2007 21:23:30 -0600 Pueblo Native <[EMAIL PROTECTED]> wrote: > it seems that almost everybody I've talked to has advised me not to go > with the 64 bit version of OpenSuse because there really is no speed > advantage (if that's not good advice I'd like to hear otherwise). So > then

Re: [opensuse] What's the point with 64 bit

2007-05-15 Thread primm
On Tuesday 15 May 2007 05:57, Pueblo Native wrote: > M Harris wrote: > > On Monday 14 May 2007 22:28, Randall R Schulz wrote: > >>> otherwise). So then, if there is no speed advantage, what's the > >>> point in even having a 64 bit processor right now? There does seem to be a speed difference. I

Re: [opensuse] What's the point with 64 bit

2007-05-15 Thread M Harris
On Tuesday 15 May 2007 01:43, Petr Klíma wrote: > Multi-core - well, we get back to software then. Most people run single > application and only small fraction runs more than 2 CPU intensive apps > at a time. Realizing that most common today application software is > single thread, you don't really

Re: [opensuse] What's the point with 64 bit

2007-05-15 Thread Randall R Schulz
On Tuesday 15 May 2007 04:19, James Knott wrote: > Pueblo Native wrote: > > ... > > I haven't heard about there being no speed advantage. There certainly is a potential speed advantage, but you won't see it automatically just because you switch to a 64-bit processor (or to a 64-bit OS on a CPU t

Re: [opensuse] What's the point with 64 bit [OT]

2007-05-15 Thread eshsf
On Tue, 15 May 2007 12:11:11 +0200 Morten Bjørnsvik <[EMAIL PROTECTED]> wrote: > > |-Original Message- > |From: eshsf [mailto:[EMAIL PROTECTED] > |> powerPC had some logic which made it possible to crunch two > |32bit numbers simultaineously. > |> resulting is some really impressive ope

Re: [opensuse] What's the point with 64 bit

2007-05-15 Thread James Knott
Pueblo Native wrote: > it seems that almost everybody I've talked to has advised me not to go > with the 64 bit version of OpenSuse because there really is no speed > advantage (if that's not good advice I'd like to hear otherwise). So > then, if there is no speed advantage, what's the point in ev

RE: [opensuse] What's the point with 64 bit [OT]

2007-05-15 Thread Morten Bjørnsvik
|-Original Message- |From: eshsf [mailto:[EMAIL PROTECTED] |> powerPC had some logic which made it possible to crunch two |32bit numbers simultaineously. |> resulting is some really impressive openssl performance. | |I don't know PowerPC in detail, but is it the one by Altivec(SIMD)? |

Re: [opensuse] What's the point with 64 bit

2007-05-15 Thread Francis Giannaros
On 5/15/07, Pueblo Native <[EMAIL PROTECTED]> wrote: it seems that almost everybody I've talked to has advised me not to go with the 64 bit version of OpenSuse because there really is no speed advantage (if that's not good advice I'd like to hear otherwise). So then, if there is no speed advanta

Re: [opensuse] What's the point with 64 bit

2007-05-15 Thread eshsf
Hello, On Tue, 15 May 2007 09:42:21 +0200 Morten Bjørnsvik <[EMAIL PROTECTED]> wrote: > powerPC had some logic which made it possible to crunch two 32bit numbers > simultaineously. > resulting is some really impressive openssl performance. I don't know PowerPC in detail, but is it the one by Al

Re: [opensuse] What's the point with 64 bit

2007-05-15 Thread Andreas Jaeger
Pueblo Native <[EMAIL PROTECTED]> writes: > it seems that almost everybody I've talked to has advised me not to go > with the 64 bit version of OpenSuse because there really is no speed > advantage (if that's not good advice I'd like to hear otherwise). So > then, if there is no speed advantage,

RE: [opensuse] What's the point with 64 bit

2007-05-15 Thread Morten Bjørnsvik
|64bit CPUs are faster when working with large integers (which |is not that frequent I presume), and they are a must when your |application needs >3GB of memory. No other advantages here. | Recent cpu-cores have greatly simplified pipleines compared to pentium4,powerPC, etc. the cores in core2d

Re: [opensuse] What's the point with 64 bit

2007-05-15 Thread jpff
Our experience is that x86_64 does have a speed advantage in 64bit over 32bit -- this is for heavy compilation and running of computer algebra ==John ffitch -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]

Re: [opensuse] What's the point with 64 bit

2007-05-14 Thread Petr Klíma
M Harris wrote: > Although the analogy is going to be a little contrived, its something > like > the concept of cylinders in an internal combustion engine... there were cars > made back in the 30s-50s with 10, 12, and 16 cylinders... but due to > harmonics, balance, and other issues (8)

Re: [opensuse] What's the point with 64 bit

2007-05-14 Thread Pueblo Native
M Harris wrote: > On Monday 14 May 2007 22:28, Randall R Schulz wrote: > >>> otherwise). So then, if there is no speed advantage, what's the >>> point in even having a 64 bit processor right now? >>> >> Addressing large virtual address spaces and / or installing large >> amounts of physi

Re: [opensuse] What's the point with 64 bit

2007-05-14 Thread M Harris
On Monday 14 May 2007 22:28, Randall R Schulz wrote: > > otherwise).  So then, if there is no speed advantage, what's the > > point in even having a 64 bit processor right now? > > Addressing large virtual address spaces and / or installing large > amounts of physical RAM. > > If you don't need one

Re: [opensuse] What's the point with 64 bit

2007-05-14 Thread Randall R Schulz
On Monday 14 May 2007 20:23, Pueblo Native wrote: > it seems that almost everybody I've talked to has advised me not to > go with the 64 bit version of OpenSuse because there really is no > speed advantage (if that's not good advice I'd like to hear > otherwise). So then, if there is no speed adva

[opensuse] What's the point with 64 bit

2007-05-14 Thread Pueblo Native
it seems that almost everybody I've talked to has advised me not to go with the 64 bit version of OpenSuse because there really is no speed advantage (if that's not good advice I'd like to hear otherwise). So then, if there is no speed advantage, what's the point in even having a 64 bit processor